<template>
    <div class="app-container container-content">
        <div class="app-view-box">
            <el-row>
                <el-col :span="24">
                    <h1 class="panel-title">部门列表</h1>
                </el-col>
            </el-row>
            <el-divider class="divider"></el-divider>
            <el-row justify="end" class="export-container">
                <el-col :span="1.5" style="margin-right: 10px">
                    <el-button
                        type="primary"
                        icon="el-icon-plus"
                        size="mini"
                        @click="handleAdd"
                        v-hasPermi="['system:menu:add']"
                    >新增
                    </el-button>
                </el-col>
                <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
                    <el-form-item label="菜单名称" prop="menuName">
                        <el-input
                            v-model="queryParams.menuName"
                            placeholder="请输入菜单名称"
                            clearable
                            size="small"
                            @keyup.enter.native="handleQuery"
                        />
                    </el-form-item>
                    <el-form-item label="状态" prop="status">
                        <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
                            <el-option
                                v-for="dict in statusOptions"
                                :key="dict.dictValue"
                                :label="dict.dictLabel"
                                :value="dict.dictValue"
                            />
                        </el-select>
                    </el-form-item>
                    <el-form-item>
                        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
                        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
                    </el-form-item>
                </el-form>
                <right-toolbar :showSearch.sync="showSearch" @queryTable="getList" style="display: flex"></right-toolbar>
            </el-row>
            <el-table
                v-loading="loading"
                :data="menuList"
                row-key="menuId"
                :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
            >
                <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"
                ></el-table-column>
                <el-table-column prop="icon" label="图标" align="center" width="100">
                    <template slot-scope="scope">
                        <svg-icon :icon-class="scope.row.icon"/>
                    </template>
                </el-table-column>
                <el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
                <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
                <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
                <el-table-column prop="status" label="状态" :formatter="statusFormat" width="80"></el-table-column>
                <el-table-column label="创建时间" align="center" prop="createTime">
                    <template slot-scope="scope">
                        <span>{{ parseTime(scope.row.createTime) }}</span>
                    </template>
                </el-table-column>
                <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
                    <template slot-scope="scope">
                        <el-button size="mini"
                                   type="text"
                                   icon="el-icon-edit"
                                   @click="handleUpdate(scope.row)"
                                   v-hasPermi="['system:menu:edit']"
                        >修改
                        </el-button>
                        <el-button
                            size="mini"
                            type="text"
                            icon="el-icon-plus"
                            @click="handleAdd(scope.row)"
                            v-hasPermi="['system:menu:add']"
                        >新增
                        </el-button>
                        <el-button
                            size="mini"
                            type="text"
                            icon="el-icon-delete"
                            @click="handleDelete(scope.row)"
                            v-hasPermi="['system:menu:remove']"
                        >删除
                        </el-button>
                    </template>
                </el-table-column>
            </el-table>
        </div>
        <el-pagination
            class="table-pagination"
            background
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
        ></el-pagination>
        <!-- 添加或修改菜单对话框 -->
        <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
                <el-row>
                    <el-col :span="24">
                        <el-form-item label="上级菜单">
                            <treeselect
                                v-model="form.parentId"
                                :options="menuOptions"
                                :normalizer="normalizer"
                                :show-count="true"
                                placeholder="选择上级菜单"
                            />
                        </el-form-item>
                    </el-col>
                    <el-col :span="24">
                        <el-form-item label="菜单类型" prop="menuType">
                            <el-radio-group v-model="form.menuType">
                                <el-radio label="M">目录</el-radio>
                                <el-radio label="C">菜单</el-radio>
                                <el-radio label="F">按钮</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col :span="24">
                        <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
                            <el-popover
                                placement="bottom-start"
                                width="460"
                                trigger="click"
                                @show="$refs['iconSelect'].reset()"
                            >
                                <IconSelect ref="iconSelect" @selected="selected"/>
                                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                                    <svg-icon
                                        v-if="form.icon"
                                        slot="prefix"
                                        :icon-class="form.icon"
                                        class="el-input__icon"
                                        style="height: 32px;width: 16px;"
                                    />
                                    <i v-else slot="prefix" class="el-icon-search el-input__icon"/>
                                </el-input>
                            </el-popover>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="菜单名称" prop="menuName">
                            <el-input v-model="form.menuName" placeholder="请输入菜单名称"/>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="显示排序" prop="orderNum">
                            <el-input-number v-model="form.orderNum" controls-position="right" :min="0"/>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item v-if="form.menuType != 'F'" label="是否外链">
                            <el-radio-group v-model="form.isFrame">
                                <el-radio label="0">是</el-radio>
                                <el-radio label="1">否</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path">
                            <el-input v-model="form.path" placeholder="请输入路由地址"/>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12" v-if="form.menuType == 'C'">
                        <el-form-item label="组件路径" prop="component">
                            <el-input v-model="form.component" placeholder="请输入组件路径"/>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item v-if="form.menuType != 'M'" label="权限标识">
                            <el-input v-model="form.perms" placeholder="请权限标识" maxlength="50"/>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item v-if="form.menuType != 'F'" label="显示状态">
                            <el-radio-group v-model="form.visible">
                                <el-radio
                                    v-for="dict in visibleOptions"
                                    :key="dict.dictValue"
                                    :label="dict.dictValue"
                                >{{ dict.dictLabel }}
                                </el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item v-if="form.menuType != 'F'" label="菜单状态">
                            <el-radio-group v-model="form.status">
                                <el-radio
                                    v-for="dict in statusOptions"
                                    :key="dict.dictValue"
                                    :label="dict.dictValue"
                                >{{ dict.dictLabel }}
                                </el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item v-if="form.menuType == 'C'" label="是否缓存">
                            <el-radio-group v-model="form.isCache">
                                <el-radio label="0">缓存</el-radio>
                                <el-radio label="1">不缓存</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item v-if="form.menuType == 'C'" label="是否关联模型">
                            <el-radio-group v-model="form.relatedModel">
                                <el-radio :label="true">关联</el-radio>
                                <el-radio :label="false">不关联</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                </el-row>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import { listMenu, getMenu, delMenu, addMenu, updateMenu } from '@/api/system/menu'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import IconSelect from '@/components/IconSelect'

export default {
    name: 'Menu',
    components: { Treeselect, IconSelect },
    data() {
        return {
            // 总记录数
            total: 0,
            // 遮罩层
            loading: true,
            // 显示搜索条件
            showSearch: true,
            // 菜单表格树数据
            menuList: [],
            // 菜单树选项
            menuOptions: [],
            // 弹出层标题
            title: '',
            // 是否显示弹出层
            open: false,
            // 显示状态数据字典
            visibleOptions: [],
            // 菜单状态数据字典
            statusOptions: [],
            // 查询参数
            queryParams: {
                menuName: undefined,
                visible: undefined
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {
                menuName: [
                    { required: true, message: '菜单名称不能为空', trigger: 'blur' }
                ],
                orderNum: [
                    { required: true, message: '菜单顺序不能为空', trigger: 'blur' }
                ],
                path: [
                    { required: true, message: '路由地址不能为空', trigger: 'blur' }
                ]
            }
        }
    },
    created() {
        this.getList()
        this.getDicts('sys_show_hide').then(response => {
            this.visibleOptions = response.data
        })
        this.getDicts('sys_normal_disable').then(response => {
            this.statusOptions = response.data
        })
    },
    methods: {
        // 选择图标
        selected(name) {
            this.form.icon = name
        },
        /** 查询菜单列表 */
        getList() {
            this.loading = true
            listMenu(this.queryParams).then(response => {
                this.menuList = this.handleTree(response.data, 'menuId')
                this.loading = false
            })
        },
        /** 转换菜单数据结构 */
        normalizer(node) {
            if (node.children && !node.children.length) {
                delete node.children
            }
            return {
                id: node.menuId,
                label: node.menuName,
                children: node.children
            }
        },
        /** 查询菜单下拉树结构 */
        getTreeselect() {
            listMenu().then(response => {
                this.menuOptions = []
                const menu = { menuId: 0, menuName: '主类目', children: [] }
                menu.children = this.handleTree(response.data, 'menuId')
                this.menuOptions.push(menu)
            })
        },
        // 显示状态字典翻译
        visibleFormat(row, column) {
            if (row.menuType == 'F') {
                return ''
            }
            return this.selectDictLabel(this.visibleOptions, row.visible)
        },
        // 菜单状态字典翻译
        statusFormat(row, column) {
            if (row.menuType == 'F') {
                return ''
            }
            return this.selectDictLabel(this.statusOptions, row.status)
        },
        // 取消按钮
        cancel() {
            this.open = false
            this.reset()
        },
        // 表单重置
        reset() {
            this.form = {
                menuId: undefined,
                parentId: 0,
                menuName: undefined,
                icon: undefined,
                menuType: 'M',
                orderNum: undefined,
                isFrame: '1',
                isCache: '0',
                visible: '0',
                status: '0'
            }
            this.resetForm('form')
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.getList()
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm('queryForm')
            this.handleQuery()
        },
        /** 新增按钮操作 */
        handleAdd(row) {
            this.reset()
            this.getTreeselect()
            if (row != null && row.menuId) {
                this.form.parentId = row.menuId
            } else {
                this.form.parentId = 0
            }
            this.open = true
            this.title = '添加菜单'
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset()
            this.getTreeselect()
            getMenu(row.menuId).then(response => {
                this.form = response.data
                this.open = true
                this.title = '修改菜单'
            })
        },
        /** 提交按钮 */
        submitForm: function() {
            console.log('submitForm', this.form)
            this.$refs['form'].validate(valid => {
                if (valid) {
                    if (this.form.menuId != undefined) {
                        updateMenu(this.form).then(response => {
                            this.msgSuccess('修改成功')
                            this.open = false
                            this.getList()
                        })
                    } else {
                        addMenu(this.form).then(response => {
                            this.msgSuccess('新增成功')
                            this.open = false
                            this.getList()
                        })
                    }
                }
            })
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项?', '警告', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(function() {
                return delMenu(row.menuId)
            }).then(() => {
                this.getList()
                this.msgSuccess('删除成功')
            })
        }
    }
}
</script>
<style lang="scss" scoped>
.export-container {
    margin: 15px 0;
}
</style>
